| Acronym | Meaning |
| ITO | Identifying Technical Order |
| MLS | Multilevel Secure |
| AESAT | Avionics & Electrical Systems Advanced Trainer |
| NOBC | Navy Officer Billet Classification |
| EXPS | Expanding Squares |
| SMS | Surface Missile System |
| TMI | Technical Manual Indicator |
| HK | Hook |
| CDPL | Compressor Discharge Pressure Left Engine |
| EAB | Emergency Air Breathing (comm Sys For Submarines) |